CN113279885A - Novel oil sprayer - Google Patents
Novel oil sprayer Download PDFInfo
- Publication number
- CN113279885A CN113279885A CN202110669116.4A CN202110669116A CN113279885A CN 113279885 A CN113279885 A CN 113279885A CN 202110669116 A CN202110669116 A CN 202110669116A CN 113279885 A CN113279885 A CN 113279885A
- Authority
- CN
- China
- Prior art keywords
- transition block
- grooves
- block
- oil nozzle
- oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
- F02M61/10—Other injectors with elongated valve bodies, i.e. of needle-valve type
- F02M61/12—Other injectors with elongated valve bodies, i.e. of needle-valve type characterised by the provision of guiding or centring means for valve bodies
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
- F02M61/168—Assembling; Disassembling; Manufacturing; Adjusting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
- F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
- F02M61/1886—Details of valve seats not covered by groups F02M61/1866 - F02M61/188
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The invention provides a novel oil injector. The novel oil injector comprises a control valve; a plunger disposed on the control valve; a transition block disposed on the plunger; the oil nozzle is movably arranged on the transition block; the two positioning rods are symmetrically and fixedly arranged on the oil nozzle; the two positioning grooves are symmetrically formed in the transition block, and the inner walls of the positioning grooves are movably connected with the corresponding positioning rods; the connecting groove is formed in the transition block. The novel oil sprayer provided by the invention has the advantages that the oil nozzle is positioned between the oil nozzle and the transition block by directly utilizing the inner counter bore of the transition block, the coaxiality between the two parts can be ensured to reach 0.01mm, the sliding property of the oil needle matched between the two parts is ensured, the low-speed working condition is obviously improved, and the oil nozzle is convenient to disassemble.
Description
Technical Field
The invention relates to the technical field of oil injectors, in particular to a novel oil injector.
Background
The oil injector is a precision device with very high processing precision, and is required to have a large dynamic flow range, strong anti-blocking and anti-pollution capacity and good atomization performance. The fuel injector receives the fuel injection pulse signal sent by the ECU and accurately controls the fuel injection quantity.
However, the traditional oil nozzle and the transition block are not directly positioned, but are indirectly positioned through an inner hole of the tightening cap, so that the coaxiality of the two parts is difficult to ensure, and the oil quantity of the oil injector is small or does not work under the idle working condition.
Therefore, there is a need to provide a new fuel injector to solve the above technical problems.
Disclosure of Invention
The invention solves the technical problem of providing a novel oil injector which directly utilizes an inner counter bore of a transition block to position an oil nozzle between the oil nozzle and the transition block, can ensure that the coaxiality between the two parts reaches 0.01mm, ensures the sliding property of an oil needle matched between the two parts, obviously improves the low-speed working condition and is convenient to disassemble the oil nozzle.
In order to solve the technical problem, the novel oil injector provided by the invention comprises: a control valve; a plunger disposed on the control valve; a transition block disposed on the plunger; the oil nozzle is movably arranged on the transition block; the two positioning rods are symmetrically and fixedly arranged on the oil nozzle; the two positioning grooves are symmetrically formed in the transition block, and the inner walls of the positioning grooves are movably connected with the corresponding positioning rods; the connecting groove is formed in the transition block; the connecting pipe is fixedly arranged on the oil nozzle and is movably connected with the inner wall of the connecting groove; the two mounting grooves are symmetrically formed in the transition block; the clamping block is hermetically and slidably arranged in the mounting groove; the two clamping grooves are symmetrically formed in the connecting pipe, and the inner walls of the clamping grooves are movably connected with the corresponding clamping blocks.
Preferably, the transition block is provided with a cavity, the two clamping blocks are fixedly provided with connecting plates, and one sides of the connecting plates extend into the cavity and are rotatably provided with hinge rods.
Preferably, the through-hole has been seted up on one side inner wall of cavity, the through-hole internal seal rotates and installs threaded sleeve, the threaded rod is installed to the threaded sleeve internal thread, the one end of threaded rod extends to in the cavity and fixed mounting has the fixed block, the fixed block and two the hinge bar rotates to be connected.
Preferably, the plunger diameter is 7.1 mm.
Preferably, the pilot thickness of the control valve is 9.5mm and the inter-fitting seal length is up to 6 mm.
Preferably, two spacing grooves are symmetrically formed in the inner wall of the mounting groove, locating rods are fixedly mounted in the spacing grooves, two limiting blocks are symmetrically fixedly mounted on the fixture block, and one side of each limiting block extends to the corresponding spacing groove and is connected with the corresponding locating rod in a sliding mode.
Compared with the related art, the novel oil sprayer provided by the invention has the following beneficial effects:
the invention provides a novel oil sprayer, wherein a plunger is arranged on a control valve, a transition block is arranged on the plunger, an oil nozzle is movably arranged on the transition block, two positioning rods are symmetrically and fixedly arranged on the oil nozzle, two positioning grooves are symmetrically arranged on the transition block and can be used for positioning the oil nozzle, the matching sliding property of an oil needle between two parts is ensured, a connecting groove is arranged on the transition block, a connecting pipe is fixedly arranged on the oil nozzle, two mounting grooves are symmetrically arranged on the transition block, a clamping block is arranged in the mounting grooves in a sealing and sliding manner, two clamping grooves are symmetrically arranged on the connecting pipe, the inner wall of each clamping groove is movably connected with the corresponding clamping block, the oil nozzle is convenient to mount and dismount, and the use convenience is improved.
Drawings
FIG. 1 is a schematic structural view of a preferred embodiment of the novel fuel injector provided by the present invention;
FIG. 2 is a schematic cross-sectional view of the transition block and the nozzle tip shown in FIG. 1;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a side cross-sectional structural view of FIG. 2;
FIG. 5 is an enlarged view of the portion B shown in FIG. 4;
fig. 6 is a schematic perspective view of the present invention.
Reference numbers in the figures: 1. a control valve; 2. a plunger; 3. a transition block; 4. a nozzle tip; 5. positioning a rod; 6. positioning a groove; 7. connecting grooves; 8. a connecting pipe; 9. mounting grooves; 10. a clamping block; 11. a card slot; 12. a cavity; 13. a connecting plate; 14. a hinged lever; 15. a through hole; 16. a threaded sleeve; 17. a threaded rod; 18. and (5) fixing blocks.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Referring to fig. 1-6, the novel fuel injector includes: a control valve 1; a plunger 2, the plunger 2 being provided on the control valve 1; a transition block 3, the transition block 3 being disposed on the plunger 2; the oil nozzle 4 is movably arranged on the transition block 3; the two positioning rods 5 are symmetrically and fixedly arranged on the oil nozzle 4; the two positioning grooves 6 are symmetrically formed in the transition block 3, and the inner walls of the positioning grooves 6 are movably connected with the corresponding positioning rods 5; the connecting groove 7 is formed in the transition block 3; the connecting pipe 8 is fixedly arranged on the oil nozzle 4, and the connecting pipe 8 is movably connected with the inner wall of the connecting groove 7; the two mounting grooves 9 are symmetrically formed in the transition block 3; the fixture block 10 is hermetically and slidably arranged in the mounting groove 9; two draw-in grooves 11, two draw-in grooves 11 symmetry is seted up on the connecting pipe 8, just the inner wall of draw-in groove 11 with correspond fixture block 10 swing joint.
The transition block 3 is provided with a cavity 12, two clamping blocks 10 are fixedly provided with connecting plates 13, one sides of the connecting plates 13 extend into the cavity 12 and are rotatably provided with hinge rods 14, and the two clamping blocks 10 can enter or move out of the clamping grooves 11.
The through-hole 15 has been seted up on one side inner wall of cavity 12, through-hole 15 internal seal rotates and installs threaded sleeve 16, threaded sleeve 16 internally threaded mounting has threaded rod 17, the one end of threaded rod 17 extends to in the cavity 12 and fixed mounting has fixed block 18, fixed block 18 and two hinged rod 14 rotates and connects, can make two hinged rod 14 motions.
The diameter of the plunger 2 is 7.1mm, and larger oil supply quantity can be generated after the diameter is increased.
The direction thickness of control valve 1 is 9.5mm, and the sealed length of interior cooperation reaches 6mm, effectively promotes sealing performance, promotes control valve life by a wide margin.
Two spacing grooves have been seted up to the symmetry on the inner wall of mounting groove 9, spacing inslot fixed mounting has the locating lever, symmetrical fixed mounting has two stoppers on the fixture block 10, one side of stopper extends to corresponding spacing inslot and with the locating lever sliding connection that corresponds, can improve fixture block 10's motion stability.
The working principle of the novel oil sprayer provided by the invention is as follows:
when the hydraulic oil injection device is used, the hydraulic pump works to output hydraulic oil with certain pressure, the hydraulic oil reaches the inside of an oil injector in an engine pipeline, passes through an oil passage in the oil injector, firstly reaches the control valve 1, passes through the plunger 2 and the transition block 3, and is finally sprayed out from the oil nozzle 4 to finish oil injection; when needs are dismantled glib 4, rotate threaded sleeve 16, threaded sleeve 16 drives threaded rod 17 motion, threaded rod 17 drives fixed block 18 motion, fixed block 18 drives two articulated mast 14 motions, two articulated mast 14 drive two connecting plates 13 towards the direction motion of keeping away from each other, two connecting plates 13 drive two fixture blocks 10 towards the direction motion of keeping away from each other, shift out draw-in groove 11, at this moment, can dismantle glib 4, during the installation, insert two locating levers 5 in the constant head tank 6 that corresponds, at this moment, connecting pipe 8 gets into in spread groove 7, reverse rotation threaded sleeve 16, make two fixture blocks 10 towards the direction motion that is close to each other get into corresponding draw-in groove 11 in can, and the operation is simple, and the efficiency of installation and disassembly is improved.
Compared with the related art, the novel oil sprayer provided by the invention has the following beneficial effects:
the invention provides a novel oil injector, wherein a plunger 2 is arranged on a control valve 1, a transition block 3 is arranged on the plunger 2, an oil nozzle 4 is movably arranged on the transition block 3, two positioning rods 5 are symmetrically and fixedly arranged on the oil nozzle 4, two positioning grooves 6 are symmetrically arranged on the transition block 3 and can be used for positioning the oil nozzle 4, the matching sliding property of an oil needle between the two parts is ensured, a connecting groove 7 is arranged on the transition block 3, a connecting pipe 8 is fixedly arranged on the oil nozzle 4, two mounting grooves 9 are symmetrically arranged on the transition block 3, a clamping block 10 is hermetically and slidably arranged in the mounting groove 9, two clamping grooves 11 are symmetrically arranged on the connecting pipe 8, the inner walls of the clamping grooves 11 are movably connected with the corresponding clamping block 10, and the oil nozzle 4 is convenient to mount and dismount, the use convenience is improved.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. A novel fuel injector, characterized by comprising:
a control valve;
a plunger disposed on the control valve;
a transition block disposed on the plunger;
the oil nozzle is movably arranged on the transition block;
the two positioning rods are symmetrically and fixedly arranged on the oil nozzle;
the two positioning grooves are symmetrically formed in the transition block, and the inner walls of the positioning grooves are movably connected with the corresponding positioning rods;
the connecting groove is formed in the transition block;
the connecting pipe is fixedly arranged on the oil nozzle and is movably connected with the inner wall of the connecting groove;
the two mounting grooves are symmetrically formed in the transition block;
the clamping block is hermetically and slidably arranged in the mounting groove;
the two clamping grooves are symmetrically formed in the connecting pipe, and the inner walls of the clamping grooves are movably connected with the corresponding clamping blocks.
2. The novel fuel injector as claimed in claim 1, characterized in that a cavity is formed in the transition block, connecting plates are fixedly mounted on the two fixture blocks, and one sides of the two connecting plates extend into the cavity and are rotatably mounted with hinge rods.
3. The novel fuel injector as claimed in claim 2, characterized in that a through hole is formed in an inner wall of one side of the cavity, a threaded sleeve is hermetically and rotatably mounted in the through hole, a threaded rod is mounted in the threaded sleeve in a threaded manner, one end of the threaded rod extends into the cavity and is fixedly mounted with a fixed block, and the fixed block is rotatably connected with the two hinge rods.
4. The new fuel injector as set forth in claim 1 characterized further in that said plunger diameter is 7.1 mm.
5. The new fuel injector as set forth in claim 1 characterized further in that said control valve pilot thickness is 9.5mm and the interfitting seal length is up to 6 mm.
6. The novel fuel injector according to claim 1, characterized in that two limiting grooves are symmetrically formed in the inner wall of the mounting groove, positioning rods are fixedly mounted in the limiting grooves, two limiting blocks are symmetrically and fixedly mounted on the clamping blocks, and one side of each limiting block extends into the corresponding limiting groove and is in sliding connection with the corresponding positioning rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110669116.4A CN113279885B (en) | 2021-06-17 | 2021-06-17 | Oil sprayer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110669116.4A CN113279885B (en) | 2021-06-17 | 2021-06-17 | Oil sprayer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113279885A true CN113279885A (en) | 2021-08-20 |
| CN113279885B CN113279885B (en) | 2022-09-02 |
Family
ID=77284799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110669116.4A Active CN113279885B (en) | 2021-06-17 | 2021-06-17 | Oil sprayer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113279885B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006188978A (en) * | 2005-01-05 | 2006-07-20 | Toyota Motor Corp | Fuel injection valve |
| CN102734032A (en) * | 2012-06-19 | 2012-10-17 | 浙江大学 | High-pressure air-assisted fuel oil spray device |
| CN206329430U (en) * | 2016-12-27 | 2017-07-14 | 中国船舶重工集团公司第七一一研究所 | A kind of device for avoiding the dismounting of fuel injector alignment pin from being broken |
| CN107855988A (en) * | 2017-12-15 | 2018-03-30 | 黑龙江省农业机械维修研究所 | Block special electric-controlled fuel injector tight cap of oil nozzle Special ejector |
| CN207728472U (en) * | 2018-01-22 | 2018-08-14 | 九江奥斯陆油泵油嘴有限公司 | A kind of atomizer of internal combustion engine |
| CN109681348A (en) * | 2018-12-29 | 2019-04-26 | 重庆红江机械有限责任公司 | A kind of medium-speed engine double fuel fuel injector |
| CN209083454U (en) * | 2018-09-30 | 2019-07-09 | 上海沪东造船油嘴油泵有限公司 | A kind of locking positioning device of diesel nozzeles |
| CN209340073U (en) * | 2018-08-31 | 2019-09-03 | 山东久丰动力科技有限公司 | A kind of injector assembly for direct injection combustion machine |
| CN209800149U (en) * | 2019-04-09 | 2019-12-17 | 天津昱和天晟金属制品有限公司 | high-efficient stifled aviation glib talker of preventing |
| CN210889173U (en) * | 2019-06-25 | 2020-06-30 | 南京伟业燃油喷射技术有限公司 | Oil sprayer assembly for separated diesel engine |
| CN215878369U (en) * | 2021-08-24 | 2022-02-22 | 广东威恳电磁材料有限公司 | Nozzle for pretreatment of steel plate |
-
2021
- 2021-06-17 CN CN202110669116.4A patent/CN113279885B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006188978A (en) * | 2005-01-05 | 2006-07-20 | Toyota Motor Corp | Fuel injection valve |
| CN102734032A (en) * | 2012-06-19 | 2012-10-17 | 浙江大学 | High-pressure air-assisted fuel oil spray device |
| CN206329430U (en) * | 2016-12-27 | 2017-07-14 | 中国船舶重工集团公司第七一一研究所 | A kind of device for avoiding the dismounting of fuel injector alignment pin from being broken |
| CN107855988A (en) * | 2017-12-15 | 2018-03-30 | 黑龙江省农业机械维修研究所 | Block special electric-controlled fuel injector tight cap of oil nozzle Special ejector |
| CN207728472U (en) * | 2018-01-22 | 2018-08-14 | 九江奥斯陆油泵油嘴有限公司 | A kind of atomizer of internal combustion engine |
| CN209340073U (en) * | 2018-08-31 | 2019-09-03 | 山东久丰动力科技有限公司 | A kind of injector assembly for direct injection combustion machine |
| CN209083454U (en) * | 2018-09-30 | 2019-07-09 | 上海沪东造船油嘴油泵有限公司 | A kind of locking positioning device of diesel nozzeles |
| CN109681348A (en) * | 2018-12-29 | 2019-04-26 | 重庆红江机械有限责任公司 | A kind of medium-speed engine double fuel fuel injector |
| CN209800149U (en) * | 2019-04-09 | 2019-12-17 | 天津昱和天晟金属制品有限公司 | high-efficient stifled aviation glib talker of preventing |
| CN210889173U (en) * | 2019-06-25 | 2020-06-30 | 南京伟业燃油喷射技术有限公司 | Oil sprayer assembly for separated diesel engine |
| CN215878369U (en) * | 2021-08-24 | 2022-02-22 | 广东威恳电磁材料有限公司 | Nozzle for pretreatment of steel plate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113279885B (en) | 2022-09-02 |
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